Rock River LAR-15 Rifle

Posted: 04/18/2026

Rock River LAR-15 Rifle

The Rock River Arms (RRA) LAR-15 is a versatile 5.56 NATO/.223 Caliber modern sporting rifle featuring extruded aluminum receivers, 16 inch barrel, and RRA’s two-stage trigger. Known for accuracy, features 1:9 twist barrel, free-float handguard, and a rough weight of 6–9 lbs. Includes one mag and mounted scope.

Specifications:

  • Caliber: 5.56mm NATO / .223 Remington
  • Barrel Length: Generally 16 inches (Carbine) or 20 inches (Rifle/Match)
  • Barrel Material/Twist: Chrome Moly or Stainless, 1:8 or 1:9 twist
  • Gas System: CAR Length (16″ models), Mid-Length (Mid-length models), or Rifle Length
  • Scope: Burris
  • Weight: 6.1 lbs